arch/sparc/include/asm/pci_32.h

   1 #ifndef __SPARC_PCI_H
   2 #define __SPARC_PCI_H
   3
   4 #ifdef __KERNEL__
   5
   6 #include <linux/dma-mapping.h>
   7
   8 /* Can be used to override the logic in pci_scan_bus for skipping
   9  * already-configured bus numbers - to be used for buggy BIOSes
  10  * or architectures with incomplete PCI setup by the loader.
  11  */
  12 #define pcibios_assign_all_busses()     0
  13
  14 #define PCIBIOS_MIN_IO          0UL
  15 #define PCIBIOS_MIN_MEM         0UL
  16
  17 #define PCI_IRQ_NONE            0xffffffff
  18
  19 static inline void pcibios_penalize_isa_irq(int irq, int active)
  20 {
  21         /* We don't do dynamic PCI IRQ allocation */
  22 }
  23
  24 /* Dynamic DMA mapping stuff.
  25  */
  26 #define PCI_DMA_BUS_IS_PHYS     (0)
  27
  28 struct pci_dev;
  29
  30 #ifdef CONFIG_PCI
  31 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  32                                         enum pci_dma_burst_strategy *strat,
  33                                         unsigned long *strategy_parameter)
  34 {
  35         *strat = PCI_DMA_BURST_INFINITY;
  36         *strategy_parameter = ~0UL;
  37 }
  38 #endif
  39
  40 #endif /* __KERNEL__ */
  41
  42 #ifndef CONFIG_LEON_PCI
  43 /* generic pci stuff */
  44 #include <asm-generic/pci.h>
  45 #else
  46 /*
  47  * On LEON PCI Memory space is mapped 1:1 with physical address space.
  48  *
  49  * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
  50  * are converted into CPU addresses to virtual addresses that are mapped with
  51  * MMU to the PCI Host PCI I/O space window which are translated to the low
  52  * 64Kbytes by the Host controller.
  53  */
  54
  55 extern void
  56 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
  57                         struct resource *res);
  58
  59 extern void
  60 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
  61                         struct pci_bus_region *region);
  62
  63 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  64 {
  65         return PCI_IRQ_NONE;
  66 }
  67 #endif
  68
  69 #endif /* __SPARC_PCI_H */